RENTAL INCOME (Schedule of rental income) (Details) - USD ($)	12 Months Ended
Jul. 31, 2019	Jul. 31, 2018
Minimum rentals	$ 19,126,372	$ 18,154,701
Contingent rentals	1,298,467	1,146,181
Total	20,424,839	19,300,882
Company Owned Property [Member]
Minimum rentals	12,448,374	11,652,482
Contingent rentals	850,226	746,442
Leased Property [Member]
Minimum rentals	6,677,998	6,502,219
Contingent rentals	$ 448,241	$ 399,739

Amount of contingent rental revenue recognized for the period under lease, based on the occurrences of an event or condition.

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84164653&loc=d3e41551-112718

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- Definition

The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 25
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=77902458&loc=d3e39896-112707

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- Definition

The total amount of lease revenue recognized for the period for which the lessee was obligated under leasing arrangements regardless of any other events or conditions. This amount excludes contingent revenue and sublease revenue.

+ References

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